d online we have a report from our partners at kaiser health news on how the fiscal cliff could affect health care for the military and for medicare patients. >> brown: next, a potential crisis of a different kind, one that has new urgency after hurricane sandy and that also involves federal spending: rising sea levels. today, new york city mayor michael bloomberg announced a new long-term initiative to protect the city from future natural disasters. he called for rebuilding vulnerable coastal areas, but dismissed again the idea of constructing a large sea-gate across the harbor. >> we're not going to abandon the waterfront. we're not going to abandon the rockaways or coney island or staten island's south shore. but we can't just rebuild what was there and hope for the best. we have to build smarter and stronger and more sustainably. >> woodruff: 350 miles south. the city of norfolk, virginia, is another coastal city vulnerable to sea level rise and extreme storms. but its mayor has said parts of his city might not be livable in the future. our producer, mike melia, traveled to norfolk